USA Meter Stamp, Type SPE(DF1)

United States of America · 2018 · 50¢

A red meter stamp impression featuring 'US POSTAGE' at the top, the date 'SEP 1 2018', and a '0.50' denomination. It includes a P.B. METER serial number and a wavy line cancellation.

Meter stamps like this represent the modern evolution of postal services, allowing for efficient, machine-printed postage, which is crucial for high-volume mailers and a key part of contemporary postal history.